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The genetic code links groups of nucleotides in an mRNA to amino acids in a protein. Start codons, stop codons, reading frame.
The chapter discusses several specific types of chemical bonds. Describe each of the following, and explain why each is important. a. High-energy phosphate bond. b. Peptide bond. c. The bond between an mRNA codon and a tRNA anticodon.
5 lis 2019 · The code is read in triplet sets of nucleotide bases, called codons, that designate specific amino acids. For example, the codon UAC (uracil, adenine, and cytosine) specifies the amino acid tyrosine. Some codons represent start (AUG) and stop (UAG) signals for RNA transcription and protein production.
The four bases make up the “letters” of the genetic code. The letters are combined in groups of three to form code “words,” called codons. Each codon stands for (encodes) one amino acid unless it codes for a start or stop signal. There are 20 common amino acids in proteins.
Codons represent the information necessary for protein production in living cells. They serve as the genetic code units specifying the amino acids required for protein formation. Additionally, some codons function as termination signals, signaling the cell to halt protein synthesis.
Describe a codon and how they are used in translation. Given the different numbers of “letters” in the mRNA and protein “alphabets,” scientists theorized that combinations of nucleotides corresponded to single amino acids.
Each amino acid is defined by a three-nucleotide sequence called the triplet codon. Different amino acids have different chemistries (such as acidic versus basic, or polar and nonpolar) and different structural constraints.
